(2R,3S)-2-[(2S,4R)-4-(tert-Butyl-dimethyl-silanyloxy)-pyrrolidin-2-yl]-3-(tert-butyl-diphenyl-silanyloxy)-thiobutyric acid S-propyl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以70%的产率得到(2R,3S)-3-(tert-Butyl-diphenyl-silanyloxy)-2-((2S,4R)-4-hydroxy-pyrrolidin-2-yl)-thiobutyric acid S-propyl ester